Fixes #17103 which has two problems, one is that the checkbox is not displayed in the drop-down, and the second problem is that the initial ComboBox label is not displayed, both are fixed in dojox/form/CheckedMultiSelect.js. Also update the dojox/mvc test related to the change which caused part of this problem to be sure to avoid breaking dojox/mvc.
(cherry picked from commit 1a7a9849a0d17d88854fca05c589dee97aa13353)
fixes #17279 I do not like the use of setTimeOut, but have not found a better way, and it does solve the problem, had an issue with the merge of the pull request, so had to re-do the change and commit it again here.
(cherry picked from commit 03a1f09cb8149858b3907725db6e3e0fe9d49678)
update dojox 1.9 branch to the latest dojox/app commit.
update dojox 1.9 to the latest dojox/app from dojo19 branch.
fixes 17164 Transition issues on Samsung devices

(cherry picked from commit d54a26593392d90eb8646402f732ddbad36a33db)
Fixes #17339. Fix messed up layout of the panels of the slot which happens in some conditions as side-effect of the fix of #16996
(cherry picked from commit 14cbcd8f01414cab97d421594979c5effb5d4931)